1 2001-02-04 Nick Clifton <nickc@redhat.com>
3 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4 StrongARM1110, 10TDMI, and 1020T.
6 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
12 * config/sh/sh.md (movdf load split): Pass register number to
15 2001-02-04 Mark Mitchell <mark@codesourcery.com>
17 * cppinit.c (BC): New macro.
18 (builtin_array): Add __GXX_WEAK__.
19 * cpplib.h (builtin_type): Add BT_WEAK.
20 * cppmacro.c (builtin_macro): Handle BT_WEAK.
21 * defaults.h (SUPPORTS_ONE_ONLY): Define.
22 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
24 2001-02-03 Jakub Jelinek <jakub@redhat.com>
26 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
28 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
30 * cpphash.h: Rename _ALIGN POOL_ALIGN.
31 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
33 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
35 * cpphash.h: Rename ALIGN _ALIGN.
36 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
38 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
40 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
41 compilation environment.
42 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
43 control over location of cygwin includes and libs.
45 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
47 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
49 2001-02-02 lars brinkhoff <lars@nocrew.org>
51 * md.texi (Standard Names): remove reference to spur.md.
53 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
55 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
56 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
57 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
58 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
59 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
61 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
63 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
64 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
66 (c4x_adjust_cost): Return zero before reload.
67 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
70 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
72 * c4x.c (c4x_hard_regno_rename_ok): New.
73 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
74 * c4x.h (HARD_REGNO_RENAME_OK): Define.
76 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
78 * diagnostic.h: Add missing "extern" in all declarations.
80 2001-02-02 Alex Samuel <samuel@codesourcery.com>
82 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
83 as for gcc_gxx_include_dir.
85 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
87 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
89 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
91 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
92 label before alignment to be used as the braf base address.
93 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
95 (casesi_jump_2): Require at least TARGET_SH2.
97 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
98 truncation to 32-bit doubles on -m3e and -m4-single-only.
100 2001-02-02 Mark Mitchell <mark@codesourcery.com>
102 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
103 the default when building a shared object.
105 * testsuite/lib/g++.exp: Include the directory where libgcc
106 is located to the LD_LIBRARY_PATH list.
107 * invoke.texi (-shared-libgcc): Document the cases in which
108 GCC defaults to using the shared libgcc.
110 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
112 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
113 unsigned is wide enough.
115 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
116 (si_to_float): Likewise.
117 (float_to_si, float_to_usi): Use BITS_PER_SI.
119 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
121 * dwarf2out.c: Added explanation of abbreviations.
122 (def_cfa_1): Added comments listing DWARF2 instructions.
123 (cfa_temp_reg): Removed in favor of cfa_temp.
124 (cfa_temp_value): Removed in favor of cfa_temp.
125 (cfa_temp): New global variable.
126 (dwarf2out_frame_debug_expr): Added extensive introductory
127 comments explaining the function's transformations. Revised to
128 use cfa_temp. Added some rtx checking. Generalize IOR case.
129 (dwarf2out_frame_debug): Revised to use cfa_temp.
130 (output_aranges): Cast as "unsigned" to avoid warning.
131 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
132 explain which instructions must be marked.
134 2001-02-01 Richard Henderson <rth@redhat.com>
136 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
139 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
141 * config/sh/crt1.asm (main_k): Modified so that start calls
142 ___setup_argv_and_call_main.
144 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
146 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
147 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
148 and AVOID_LPASTE is cleared on meeting an unescaped newline.
149 * cppmacro.c (builtin_macro): Set builtin flags here.
150 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
151 (replace_args): Clarify intent.
152 (cpp_get_token): Macro expansion tokens get the saved flags.
154 * cppmain.c (scan_buffer): Remove now-redundant print.printed
157 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
159 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
162 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
164 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
165 returns Pmode pseudo, but we need ptr_mode.
166 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
167 Remove bogus conversions; use HOST_WIDE_INT for size.
168 Don't use TARGET if wrong mode.
170 * config/i386/i386.c (ix86_compute_frame_size): Allow
171 stack_alignment_needed to be non-default even if size is zero.
173 2001-01-31 Alan Modra <alan@linuxcare.com.au>
175 * (hppa_init_pic_save): Emit the pic offset table
176 reg save after last_parm_insn.
177 * pa.c (hppa_init_pic_save): New function.
178 * pa.h (hppa_init_pic_save): Declare.
179 * pa.md (call, call_value, sibcall, sibcall_value): Use
180 the above instead of duplicated code.
182 * pa.c (hppa_encode_label): Correct size of alloca buffer
183 so we don't overrun it. Correct leading `*' case.
184 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
186 (FUNCTION_NAME_P): Likewise.
188 2001-01-31 Richard Henderson <rth@redhat.com>
190 * config.gcc (alpha-osf5): Use float-i128.h.
192 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
193 * config/float-i32.h: Likewise.
194 * config/float-i64.h: Likewise.
195 * config/float-sh.h: Likewise.
196 * config/float-sparc.h: Likewise.
198 2001-01-31 DJ Delorie <dj@redhat.com>
200 * expmed.c (extract_bit_field): allow non-integral modes if we
201 want to extract a whole register from itself.
203 2001-01-31 Jakub Jelinek <jakub@redhat.com>
205 * c-typeck.c (set_init_index): If first is equal to last, assume as
206 if it was not a range at all.
208 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
210 * config/fp-bit.c: Include tm.h.
211 (float_to_si): Don't assume SImode is 32-bits wide.
212 (float_to_usi): Likewise.
214 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
216 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
218 (typename): Call pending_xref_error after parsing typed_typespecs.
219 * c-decl.c (lookup_tag): Give error immediately rather than
220 leaving it pending if the tag of the wrong type is in the same
222 (xref_tag): Don't pedwarn for forward declarations of enum types
224 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
227 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
229 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
231 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
233 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
234 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
236 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
238 * cpphash.h (struct cpp_reader): New saved_flags.
239 * cppmacro.c (cpp_get_token): Use saved_flags to remember
240 to avoid a paste after a pasted token.
242 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
244 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
245 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
246 Wtype_MIN instead of LONG_MIN.
248 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
250 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
252 * fixinc/fixincl.x: Regenerated.
253 * fixinc/inclhack.def (irix_limits_const): New definition to
254 convert "const" to "__const" in limits.h.
256 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
258 * fixinc/genfixes (AG): Fix "autogen4" thinko.
260 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
262 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
263 when register dies in the insn.
265 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
267 * diagnostic.c (fatal): Fix word wrap.
269 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
271 * combine.c (try_combine): Fix SUBREG setting for
272 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
274 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
276 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
279 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
281 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
283 * toplev.c (decode_W_option): Update warn_larger_than
284 unconditionally for each processed switch.
286 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
288 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
290 (hppa_expand_prologue): Delete code to save pic offset table register
291 in the function prologue.
292 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
293 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
294 table register at the beginning of the function after the prologue.
296 2001-01-29 lars brinkhoff <lars@nocrew.org>
298 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
300 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
301 Jeff Law <law@redhat.com>
303 * pa.md (return): Revise comment for trivial return.
304 (return_internal): Non-trivial return pattern for non-PIC code.
305 (return_internal_pic): Non-trivial return pattern for PIC code.
306 It uses the PIC register to ensure it is restored after
308 (epilogue): Generate appropriate return for PIC and non-PIC code.
310 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
312 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
314 2001-01-29 DJ Delorie <dj@redhat.com>
316 * combine.c (if_then_else_cond): Pass the correct mode to
317 operand_subword() for constants.
319 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
321 * config/i386/cygwin.h: Add w32api to include search. Search different
322 directories in a cross-build environment.
324 2001-11-29 Tim Josling <tej@melbpc.org.au>
326 * tree.h (TYPE_STUB_DECL): Add documentation.
328 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
330 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
331 (sdbout_field_types): Likwise. Fix use of host_integerp.
333 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
335 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
338 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
340 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
341 to use flag_gnu_linker.
343 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
345 * cpplib.c (T_BAD_DIRECTIVE): Remove.
346 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
348 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
350 * tree.c, tree.h (build_parse_node): Remove; was identical to
352 * c-lang.c (start_cdtor), objc/objc-act.c
353 (build_module_descriptor): Use build_nt instead of
356 2001-01-29 Jakub Jelinek <jakub@redhat.com>
358 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
359 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
360 not have any upper bits set.
362 2001-01-29 Phil Edwards <pme@sources.redhat.com>
364 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
366 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
368 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
370 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
372 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
373 (integer_minus_one_node): Define.
375 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
377 * Makefile.in (bootstrap2-lean): Fix typo.
379 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
381 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
382 : Don't set fe_value.
383 * cpplib.h (AVOID_LPASTE): New flag.
384 (struct cpp_hashnode): Remove fe_value.
385 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
386 * cppmacro.c (builtin_macro): Don't set flags here.
387 (replace_args): Set AVOID_LPASTE flag on first token of an
388 argument, and the token following it.
389 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
390 macro expansion, and on the token following it. Do it for
392 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
394 2001-01-27 Richard Henderson <rth@redhat.com>
396 * config/alpha/t-ieee: Remove multilibbing.
397 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
399 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
401 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
403 * Makefile.in: Remove all dependencies on defaults.h.
404 * builtins.c: Don't include defaults.h.
405 * c-common.c: Likewise.
406 * c-decl.c: Likewise.
407 * c-pragma.c: Likewise.
408 * c-typeck.c: Likewise.
409 * combine.c: Likewise.
411 * frame-ia64.c: Likewise.
412 * cppexp.c: Likewise.
413 * crtstuff.c: Likewise.
414 * dbxout.c: Likewise.
415 * dwarf2out.c: Likewise.
416 * dwarfout.c: Likewise.
417 * emit-rtl.c: Likewise.
418 * except.c: Likewise.
421 * frame-dwarf2.c: Likewise.
422 * libgcc2.c: Likewise.
423 * optabs.c: Likewise.
424 * profile.c: Likewise.
425 * sdbout.c: Likewise.
426 * toplev.c: Likewise.
427 * tradcif.y: Likewise.
429 * varasm.c: Likewise.
431 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
433 * builtins.c (expand_builtin_fputs): Use size_one_node when
434 transforming into fwrite.
436 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
438 * extend.texi (Attribute Syntax): New section.
440 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
442 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
443 they didn't need fixing.
445 2001-01-27 Janis Johnson <janis@us.ibm.com>
447 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
449 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
450 to remove macro definitions that are duplicated from elfos.h.
452 2001-01-27 Richard Henderson <rth@redhat.com>
454 * config/i386/sco5gas.h: Move ...
455 * config/usegas.h: ... here.
456 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
458 2001-01-27 Jakub Jelinek <jakub@redhat.com>
460 * c-typeck.c (struct constructor_stack): Add range_stack member.
461 (really_start_incremental_init): Clear it.
462 (push_init_level): Save constructor_range_stack and clear it if
463 pushing explicit braces.
464 (pop_init_level): abort if constructor_range_stack is non-zero at
465 explicit closing brace. Restore saved constructor_range_stack if
468 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
470 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
471 into register was forced into memory.
473 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
475 * Makefile.in: Remove uses of + before $(MAKE).
477 2001-01-26 Richard Henderson <rth@redhat.com>
479 * stmt.c (cost_table): Remove.
480 (COST_TABLE, cost_table_initialized): New.
481 (estimate_case_costs): Use the later instead of the former.
482 (balance_case_nodes): Likewise.
484 2001-01-26 Richard Henderson <rth@redhat.com>
486 * alias.c (objects_must_conflict_p): Read-only slots may not
487 conflict despite having the same type.
489 2001-01-27 Michael Hayes <mhayes@redhat.com>
491 * loop.c (loop_giv_reduce_benefit): Copy mode size into
493 (check_ext_dependant_givs): Initialise u_start_val and
495 (load_mems): Make last_max_reg unsigned.
496 (try_swap_copy_prop): Use INSN_P and initialise set.
498 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
500 * README.AVR : Removed.
502 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
504 * pa-64.h (text_section): Remove declaration.
506 * pa.md (return_internal): Remove mode on PIC register use.
508 2001-01-25 lars brinkhoff <lars@nocrew.org>
510 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
511 ASM_CLOSE_PAREN): fix typos.
513 2001-01-25 Mark Mitchell <mark@codesourcery.com>
515 * acconfig.h: Define `const' to the empty string if neither
516 __STDC__ nor __cplusplus is defined.
517 * config.in: Regenerated.
519 2001-01-25 David Edelsohn <edelsohn@gnu.org>
521 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
522 * collect2.c (main): Delete importf. Add ".obj" file extension.
523 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
524 (aix_std_libs): Add additional AIX libraries to skip.
525 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
526 * config/rs6000/aix51.h: New file.
528 2001-01-25 Michael Hayes <mhayes@redhat.com>
530 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
531 (loop_insn_emit_before): No longer static.
532 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
533 (loop_givs_rescan, load_mems): Likewise.
534 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
535 (maybe_eliminate_biv_1):
536 (move_movables): Replace emit_call_insn_before with
537 loop_call_insn_hoist.
538 * loop.h (loop_insn_emit_before): Add.
539 * unroll.c (copy_loop_body): Replace emit_insn_before with
540 loop_insn_emit_before.
542 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
544 * diagnostic.c (fatal): Request preprocessed source.
546 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
548 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
549 olddecl has argument types and newdecl has none, use the argument
552 2001-01-24 Ulrich Drepper <drepper@redhat.com>
554 * dwarf2out.c (prefix_of): New function. Determine longest common
555 prefix of the two arguments. The units are whole path components.
556 (output_file_names): When adding a new directory find the one entry
557 with the longest common prefix already in the list. Artificially
558 generate entry if there is none for this prefix.
559 Fix test to check whether the zeroth directory entry is used.
561 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
563 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
564 Changed all callers. Take it into account when deciding if a
565 previously loaded value matches.
567 2001-01-24 Richard Henderson <rth@redhat.com>
569 * reload.c (find_reloads_subreg_address): Fail the substitution
570 if the resulting address is insufficiently aligned.
572 2001-01-24 DJ Delorie <dj@redhat.com>
574 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
575 check the original operand's mode also.
576 * simplify-rtx.c (simplify_ternary_operation): Ditto.
578 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
580 * c-parse.in (cast_expr): Move compound literals from here ...
581 (primary): ... to here. Use standard terminology "compound
582 literal" instead of "constructor expression".
584 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
586 * gcc.1, cpp.1: Regenerate.
588 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
590 * calls.c (emit_library_call_value_1): Memory slot for
591 pass-by-reference argument should have the mode of the argument,
592 not of the pointer to it.
594 2001-01-24 Tom Tromey <tromey@redhat.com>
596 * gcc.texi (G++ and GCC): Mention gcj manual.
597 (Standards): Link to section of manual mentioning gcj/Java
600 2001-01-24 Jakub Jelinek <jakub@redhat.com>
602 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
603 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
604 * tradcpp.c (main): Add -imacros or -include'd dependencies
606 * cpp.texi (-M, -MM): Document -M -include behaviour.
608 2001-01-24 Roger Collins <roger@ProProject.com>
610 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
612 2001-01-24 Will Cohen <wcohen@redhat.com>
614 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
615 whether registers are 32 bits or 64 bits in size.
617 2001-01-24 Ben Elliston <bje@redhat.com>
619 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
621 2001-01-24 Richard Henderson <rth@redhat.com>
623 * config/alpha/alpha.md (builtin_longjmp_internal): New.
624 (builtin_longjmp): Use it instead of emit_indirect_jump.
626 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
628 * bb-reorder.c (make_reorder_chain_1): Handle case where
629 jump edge goes to the same block as the fallthru edge.
631 2001-01-23 Jim Wilson <wilson@redhat.com>
633 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
634 * frame.h (__ia64_personality_v1): Add prototype.
635 * libgcc2.c (ia64_throw_helper): Change personality declaration to
636 prototype form. Add void * cast to first argument to personality
638 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
639 (asctoe113): Likewise.
640 * config/ia64/frame-ia64.c: Include eh-common.h.
641 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
643 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
645 (itanium_split_issue): Add prototype.
646 (gen_nop_type): Ifdef out.
647 (find_best_packet): Initialize best_packet.
648 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
650 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
651 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
652 (flushrs): Add explicit stop bit at end.
653 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
656 2001-01-23 Chris Demetriou <cgd@broadcom.com>
658 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
660 * libgcc2.c (__terminate_func): Make variable static.
661 (__terminate_set_func): New function to set __terminate_func.
662 * libgcc2.h (__terminate_func_ptr): New typedef.
663 (__terminate_set_func): New function.
665 2001-01-23 Richard Henderson <rth@redhat.com>
667 * flow.c (init_propagate_block_info): Don't consider unchanging
668 memories for dead frame store elimination.
670 2001-01-23 Richard Henderson <rth@redhat.com>
672 * varasm.c (UNIQUE_SECTION): Move default implementation ...
673 * defaults.h: ... here.
675 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
677 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
679 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
681 * c-lex.c (lex_charconst): Fix typo: s/p/str.
683 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
685 * rs6000.h (rs6000_return_addr): Move prototype from here...
686 * rs6000-protos.h (rs6000_return_addr): ...to here.
687 (rs6000_init_expanders): Delete prototype.
689 2001-01-23 Nick Clifton <nickc@redhat.com>
691 * invoke.texi: Replace , with \, inside @gccoptlist macros.
692 (Spec Files): Document %B and %j and %. and %v3 and %M and
693 %{S*&T} spec switches.
695 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
697 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
699 2001-01-23 Chris Demetriou <cgd@sibyte.com>
700 Neil Booth <neil@daikokuya.demon.co.uk>
702 * cpperror.c: Merge handlers of PEDWARN and WARNING.
703 Have -Werror make pedantic warnings errors, like the
706 2001-01-23 Phil Edwards <pme@sources.redhat.com>
708 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
710 2001-01-23 Jakub Jelinek <jakub@redhat.com>
712 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
713 * integrate.c (expand_inline_function): Initialize them.
714 (subst_constants): If changing COMPARE so that both its arguments
715 will be VOIDmode and the comparison mode will be lost, note
716 compare_mode. Use the recorded compare_mode to optimize
719 2001-01-23 Jason Merrill <jason@redhat.com>
721 * dwarf2out.c (new_die): Use xcalloc.
722 (output_die): Abort rather than emit a local reference to offset 0.
724 2001-01-17 Andrew Haley <aph@redhat.com>
726 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
727 of a saved register; return NULL instead.
728 (copy_reg): Take a pointer to a source register rather than a
730 (next_stack_level): Remember the address in the stack frame of all
732 Use the saved register pointer array as the source of the CFA.
733 (throw_helper): Rewrite. Unwind once rather than twice and keep
734 track of saved registers as we go.
736 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
738 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
739 * c4x.c (c4x_legitimize_reload_address): Remove.
740 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
741 reload address for ldp(k) insn.
743 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
745 * pa.md (return_internal): Add a USE of the PIC register to ensure
746 it is restored after each call.
747 (return expander): Corresponding changes.
749 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
751 * rs6000.h (INIT_EXPANDERS): Delete.
752 (RETURN_ADDR_RTX): Call rs6000_return_addr().
753 * rs6000.c (rs6000_override_options): Call *_machine_status from
755 (rs6000_init_expanders): ...instead of here. Delete.
756 (rs6000_mark_machine_status): New function.
757 (rs6000_init_machine_status): Use xcalloc.
758 (rs6000_return_addr): Generate RTX for the return address.
759 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
760 (rs6000_stack_info): Use it.
762 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
764 * gthr-win32.h: Include errno.h to get a declaration for
765 EINVAL and _mingw.h if the target is mingw32.
767 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
769 * cpp.texi: Correct typos.
771 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
773 * explow.c (probe_stack_range): Ensure value passed to
774 stack_check_libfunc is ptr_mode, not Pmode.
776 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
778 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
779 case, don't use operand_subword to calculate a SUBREG that is
782 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
784 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
786 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
787 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
788 valid. If not replace it by equivalent insns.
790 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
792 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
793 contains SYMBOL_REF, LABEL_REF and CONST_INT.
794 (c4x_U_constraint, symbolic_address_operand): Likewise.
795 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
797 (c4x_r11_set_p, c4x_check_laj_p): New functions.
798 * c4x-protos.h (c4x_check_laj_p): Add prototype.
799 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
800 anulling slot because of silicon bug.
801 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
803 2001-01-22 Alan Modra <alan@linuxcare.com.au>
805 * cppexp.c (parse_charconst): Change `mask' type to agree
808 2001-01-21 Richard Henderson <rth@redhat.com>
810 * config/i386/i386.c (ix86_asm_file_end): Disable putting
811 pic_label_name in a linkonce section.
813 2001-01-17 Philipp Thomas <pthomas@suse.de>
815 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
817 * configure: Regenerate.
819 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
821 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
822 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
824 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
826 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
827 If REVERSE nonzero then condition code in X must be reversed.
828 (encode_section_info): Optimise if/else.
829 (avr_function_value): Fix formatting.
831 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
832 (difficult_branch): Likewise.
833 (rvbranch): Likewise.
834 (difficult_rvbranch): Likewise.
836 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
838 * config/avr/libgcc.S: Fix comment.
840 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
842 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
844 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
846 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
848 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
850 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
851 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
852 * configure, config.in: Regenerate.
853 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
854 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
855 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
856 (doprint.o): New rule.
858 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
860 * c-typeck.c (digest_init): Handle boolean types as scalars.
862 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
864 * stmt.c (expand_return): Don't return anything if size is zero.
865 Delete redundant assignment to BYTES.
866 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
868 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
870 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
871 the same as the default library function names.
872 * config/avr/avr.md: Document special characters after '%'.
873 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
874 knowing which of the call-used registers are really clobbered.
875 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
876 New. Both quotient and remainder from one libgcc.S call.
877 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
878 clobber as few registers as possible.
879 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
881 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
883 * cppmacro.c (funlike_invocation_p): Don't move back up to the
884 context of the top of the stack.
886 2001-01-20 Jakub Jelinek <jakub@redhat.com>
888 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
889 (fixup_var_refs_insns): ...here.
891 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
893 * function.c (fixup_var_refs_insns): Break up into
894 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
895 [loop over entire insn list], and fixup_var_refs_insns_with_hash
896 [loop over hash table entries].
897 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
898 fixup_var_refs_insns_with_hash, to match above changes.
900 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
902 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
903 (libgcc.a): Likewise.
904 (stmp-multilib): Likewise.
905 (STAGE2_FLAGS_TO_PASS): Likewise.
907 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
909 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
910 temporary if no_new_pseudos.
912 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
914 * cppinternals.texi: Update.
916 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
918 * arm.c (arm_init_builtins): Re-enable builtins.
920 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
922 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
923 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
924 element to be null, and always expect an EXPR_LIST.
925 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
926 * sched-deps.c (sched_analyze_1): Likewise.
927 * sched-rgn.c (check_live_1, update_live_1): Likewise.
929 * regclass.c (max_set_parallel): New variable.
930 (reg_scan): Take it into account in computation of max_parallel.
931 (reg_scan_mark_refs, case SET): Compute it.
933 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
935 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
936 * function.c (assign_parms): Use INTVAL for a CONST_INT.
938 2001-01-19 Jason Merrill <jason@redhat.com>
940 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
941 for the abstract instance of an inline function.
943 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
944 J"orn Rennecke <amylaar@redhat.com>
946 * reload1.c (move2add_note_store): Treat all registers directly or
947 indirectly derived from a base register as members of the same set
949 (reload_cse_move2add): Adjust accordingly. Take mode and offset
950 of base register into account.
952 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
954 * alias.c (find_base_value): Recognize TRUNCATE.
955 (record_set): In PLUS case, invalidate if other summand is also a
958 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
960 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
961 entry to be EXPR_LIST.
962 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
963 be an EXPR_LIST (but not null, which other code doesn't allow).
964 (note_stores): Properly handle PARALLEL in SET.
965 Recursively call for top-level PARALLEL.
966 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
967 * sched-rgn.c (check_live_1, update_live_1): Likewise.
969 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
971 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
973 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
974 not pfile->skipping (== 0).
976 2001-01-17 Nick Clifton <nickc@redhat.com>
978 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
981 2001-01-17 Jim Wilson <wilson@redhat.com>
983 * invoke.texi (IA-64 options): Improve.
985 2001-01-17 Tom Tromey <tromey@redhat.com>
987 * invoke.texi (Optimize Options): Use `{}' to around @samp
990 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
992 * invoke.texi (-fno-guess-branch-probability): New option.
994 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
996 * combine.c (try_combine): Don't set i3_subst_into_i2 for
997 case of making new double-word constant.
998 Revert last change: instead just test i3_subst_into_i2.
1000 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1002 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1003 Use q constraints instead of r.
1005 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1007 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1008 (machine_function): Define.
1009 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1010 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1011 pa_free_machine_status): New functions.
1012 (override_options): Set {init,mark,free}_machine_status to above.
1013 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1014 PIC_OFFSET_TABLE_REGNUM_SAVED.
1015 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1016 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1017 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1018 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1019 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1021 2001-01-15 DJ Delorie <dj@redhat.com>
1023 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1027 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1029 * flow.c (propagate_on_insn): Make trying to delete a prologue
1030 or epilogue insn an ICE, not a warning. Allow doing this if
1031 the current function returns with stack pointer depressed.
1033 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1034 I3 having more than one SET.
1036 2001-01-16 Jim Wilson <wilson@redhat.com>
1038 * invoke.texi: Document IA-64 options.
1040 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1041 (fixup_errata): Delete TARGET_A_STEP use.
1042 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1043 (TARGET_SWITCHES): Delete -ma-step option.
1044 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1045 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1046 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1047 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1048 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1049 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1051 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1052 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1053 cmovsi_internal): Delete ! TARGET_A_STEP check.
1055 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1057 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1058 possibility to report bugs via postal mail. Change a URL and
1059 merge in a nearly duplicate statement...
1060 (Bug Reporting): ...from here.
1061 (Service): Refer to the Bug Reporting section instead of
1063 (Contributing): Remove trivial explanations concerning snapshots.
1065 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1067 * cppmain.c (general_init): Don't use ANSI prototype.
1069 2001-01-16 Tom Tromey <tromey@redhat.com>
1071 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1073 2001-01-16 Richard Henderson <rth@redhat.com>
1075 * config/i386/i386.h: Fix comment typo.
1076 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1077 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1079 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1081 * gcc.c: Revert previous -fsyntax-only-related change; move
1084 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1086 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1087 inmode after checking GET_CODE (op).
1089 2001-01-16 Richard Henderson <rth@redhat.com>
1091 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1092 (MAX_MEM_SET_LIST_LEN): New.
1093 (propagate_one_insn): Update mem_set_list_len.
1094 (invalidate_mems_from_autoinc): Likewise.
1095 (invalidate_mems_from_set): Likewise.
1096 (mark_used_regs): Likewise.
1097 (init_propagate_block_info): Likewise. Stop collecting memories
1098 when we reach MAX_MEM_SET_LIST_LEN.
1099 (mark_set_1): Likewise.
1101 2001-01-16 Richard Henderson <rth@redhat.com>
1103 * unroll.c (precondition_loop_p): Fail if no iteration
1106 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1108 * gcc.c: When -fsyntax-only is given, do not complain about
1111 2001-01-15 Richard Henderson <rth@redhat.com>
1113 * config/i386/i386.c (asm_output_function_prefix): Remove.
1114 (ix86_asm_file_end): New.
1115 (load_pic_register): Generate pic_label_name into a
1116 staticly allocated buffer.
1117 * config/i386/i386-protos.h: Update.
1118 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
1119 (ASM_FILE_END): New.
1120 * config/i386/i386afe.h: New file.
1121 * config.gcc (i?86-*-elf) [tm_file]: Use it.
1122 (i?86-*-{freebsd,linux*,moss*}): Likewise.
1123 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
1124 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
1125 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
1126 * config/i386/sco5.h (ASM_FILE_END): Likewise.
1127 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
1129 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
1131 * Makefile.in (install-man): Remove explicit dependency on
1134 * configure.in, configure: Revert previous patch requiring perl
1137 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
1139 * toplev.c (flag_guess_branch_prob): New.
1140 (f_options): Add guess-branch-probability option.
1141 (rest_of_decl_compilation): Only estimate branch probability if
1143 (main): set flag_guess_branch_prob.
1145 * flags.h (flag_guess_branch_prob): New.
1147 2001-01-15 DJ Delorie <dj@redhat.com>
1149 * gcc.texi (Makefile): Add documentation for Makefile targets.
1151 2001-01-15 Philip Blundell <philb@gnu.org>
1153 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
1155 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
1156 (is_pic): Delete declaration.
1157 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
1158 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
1159 * config/arm/arm.md (builtin_setjmp_receiver): New.
1161 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1163 * arm.c (use_return_insn): Don't try to determine the function type
1164 until after reload has completed.
1165 (arm_output_epilogue): Don't adjust the sp value recovered from the
1167 (emit_multi_reg_push): Don't record dwarf information for the pc.
1168 * arm.md (eh_epilogue): The function type may have changed, so it
1169 needs to be recalculated.
1170 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
1171 unwind tables on arm/netbsd.
1173 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1175 * arm.md (cbranchsi4): Correct calculation of branch ranges.
1176 (negated_cbranchsi4): Likewise.
1178 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1180 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
1181 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1182 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
1183 pass -mapcs-* options to assembler.
1184 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
1185 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1186 (ASM_SPEC): Call subtarget_extra_asm_spec.
1188 2001-01-15 Andreas Jaeger <aj@suse.de>
1190 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
1192 (ix86_expand_builtin): Likewise.
1194 * gencodes.c (output_predicate_decls): Make i size_t to avoid
1195 warning about comparison between signed and unsigned.
1197 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1199 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
1201 2001-01-14 Ralf Baechle <ralf@gnu.org>
1203 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
1204 SUBTARGET_CPP_SPEC apropriatly.
1206 2001-01-12 Mark Mitchell <mark@codesourcery.com>
1208 * varasm.c (make_decl_rtl): Fix typo in last change.
1210 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
1212 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
1213 linker supports the init_priority C++ attribute.
1214 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
1215 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
1216 linker does not support init_priority C++ attribute.
1218 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
1220 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
1222 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1224 * c-parse.in (finish_parse): Add comment about cpp_destroy.
1225 * cp/lex.c (finish_parse): Similarly.
1226 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
1227 Return the number of errors encountered.
1228 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
1229 * cppmain.c (main): Don't call cpp_destroy.
1231 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
1233 * configure.in: Require at least perl 5.6.0 to regenerate
1235 * configure: Regenerate.
1237 2001-01-14 Richard Henderson <rth@redhat.com>
1239 * genrecog.c (DT_veclen_ge): New.
1240 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
1241 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
1242 (nodes_identical_1): Handle DT_veclen_ge.
1243 (write_cond, debug_decision_2): Likewise.
1245 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1247 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
1249 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
1251 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1253 * cppmain.c (do_preprocessing): New function; most of the old
1255 (main): Call it to do most of the work.
1256 (cb): Move from global scope to set_callbacks ().
1257 (setup_callbacks): Get the callback pointer.
1258 (general_init, printer_init): Clean up code and comments.
1260 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1262 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1265 2001-01-14 Kazu Hirata <kazu@hxi.com>
1267 * config/h8300/h8300.c (get_shift_alg): Update comments.
1269 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1271 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1272 (alloc_page, ggc_alloc): Add casts to remove warnings.
1274 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1276 * combine.c (simplify_comparison): Don't change `code' when
1277 can't reverse comparison.
1279 2001-01-14 Richard Henderson <rth@redhat.com>
1281 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1282 update all call sites. Return true for all non-label constants.
1284 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1286 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1288 (ix86_expand_branch): Update.
1289 (ix86_expand_setcc): Update to handle multiple test conditions.
1290 (expand_int_movcc): Likewise.
1291 (expand_fp_movcc): Likewise.
1292 * i386-protos.h (ix86_expand_compare): New.
1293 * i386.md (andqi_?_slp, orqi_?_slp): New.
1294 (conditional trap expander): Update call to ix86_expand_compare.
1296 2001-01-14 Richard Henderson <rth@redhat.com>
1298 * config/vax/vax.md: Use nonimmediate_operand instead of
1299 general_operand in destinations.
1301 * config/vax/vax.md (indirect_jump): Use register_operand.
1303 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1304 * config/vax/vax.md (call_pop): Turn into an expander.
1305 (call_value_pop): Likewise.
1306 (call, call_value): New.
1308 2001-01-14 Andreas Jaeger <aj@suse.de>
1310 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1312 (ix86_fp_compare_mode): Add unused attribute.
1313 (ix86_expand_fp_movcc): Remove unused variable.
1314 (ix86_expand_builtin): Make fcode unsigned.
1316 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1317 (expand_expr): Add cast to avoid signed warning.
1318 (store_field): Likewise.
1319 (store_constructor_field): Likewise.
1320 (store_constructor): Likewise.
1321 (store_expr): Likewise.
1322 (clear_storage): Likewise.
1323 (emit_group_store): Likewise.
1324 (emit_group_load): Likewise.
1326 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1328 * c-common.c: Move format checking code to ...
1329 * c-format.c: ... here. New file. Reorder some functions and
1331 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1333 * c-common.h (decl_handle_format_attribute,
1334 decl_handle_format_arg_attribute): Declare.
1335 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1336 (c-common.o): Adjust dependencies.
1337 (c-format.o): New list of dependencies.
1339 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1341 * unroll.c (loop_iterations): If we cannot prove iteration variable
1342 is set once in each iteration, punt.
1344 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1346 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1347 (*strlenhi): Remove clobber (which was buggy) of output address.
1349 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1351 * Makefile.in (generated-manpages): Add gcc.1
1352 ($(srcdir)/gcc.1): New target.
1353 (maintainer-clean): Delete $(srcdir)/gcc.1.
1354 * gcc.texi: Add macros @gccoptlist and @gol.
1355 * invoke.texi: Include option summary in manpage. Mark up option
1356 summary with @gccoptlist and @gol. Use @r in one place where
1358 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1359 * gcc.1: Generate from invoke.texi.
1361 2001-01-13 Richard Henderson <rth@redhat.com>
1363 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1364 (struct page_entry): Add group member.
1365 (struct page_group): New.
1366 (struct globals): Add page_groups member.
1367 (alloc_anon): Only define for using mmap; remove valloc call.
1368 (page_group_index): New.
1369 (set_page_group_in_use): New.
1370 (clear_page_group_in_use): New.
1371 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1372 (free_page, release_pages): Likewise.
1373 * configure.in (with-gc): Default to ggc-page always.
1375 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1377 * reload1.c (replace_pseudos_in_call_usage): Use
1378 reg_equiv_constant and reg_equiv_address, and don't try
1379 regno_reg_rtx first.
1381 2001-01-13 Richard Henderson <rth@redhat.com>
1383 * ggc-page.c (alloc_page): Round up allocation size to one page.
1384 Set e->order on extra pages.
1386 2001-01-13 Richard Henderson <rth@redhat.com>
1388 * genrecog.c (nodes_identical): Expand commentary.
1389 (write_switch): Watch out for identical nodes.
1391 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1393 * cppfiles.c (_cpp_fake_include): New function.
1394 * cpphash.h (_cpp_fake_include): New.
1395 * cpplib.c (do_line): Call _cpp_fake_include when entering
1396 header files in preprocessed input.
1397 * cppmain.c (cb_pragma_implementation): Remove handling.
1398 (setup_callbacks): Don't register pragmas.
1400 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1402 * extend.texi: Udate for CPP.
1404 2001-01-13 Andreas Jaeger <aj@suse.de>
1406 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1408 * regmove.c: Add prototype for replace_in_call_usage.
1410 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1412 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1413 struct cpp_chunk, struct htab, struct toklist,
1414 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1415 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1416 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1417 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1418 (struct macro_args): Delete.
1419 * cpphash.h: See above.
1421 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1423 * cppmain.c (struct printer): Remove no_line_dirs.
1425 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1426 : Use options rather than CPP_OPTION.
1427 (setup_callbacks): Use cb rather than pfile->cb.
1428 (main): No need to check for a buffer. Use cpp_errors.
1429 (printer_init): Don't set no_line_dirs.
1430 (maybe_print_line): Use options not no_line_dirs.
1431 (cb_file_change): Don't call print_line if -P.
1433 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1435 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1437 * c-parse.in (finish_parse): Use cpp_errors.
1438 (__yylex): Use return value of cpp_pop_buffer.
1439 * cp/lex.c (finish_parse): Use cpp_errors.
1440 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1442 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1444 * README.AVR: URLs corrected.
1446 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1448 * c-decl.c (start_function): Don't warn if old prototype is builtin
1449 that's not in C's namespace.
1450 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1451 (_bb): Add prototype for ctime.
1452 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1454 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1456 * i386.c (ix86_fp_comparison_arithmetics_cost,
1457 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1458 ix86_fp_comparison_cost): New functions.
1459 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1460 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1461 two-branch sequences; make static.
1462 (ix86_use_fcomi_compare): Do decision according to the costs.
1463 (split_fp_branch): New.
1464 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1465 * i386-protos.h (ix86_expand_fp_compare): Remove
1466 (ix86_split_fp_branch): Declare.
1468 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1469 and ix86_comparison_operator.
1471 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1474 * i386.c (put_condition_code): Output properly the unordered/ordered
1475 compares in fp case.
1476 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1478 * tm.texi (REVERSE_CONDITION): Document.
1479 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1480 in -ffast-math mode.
1481 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1483 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1485 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1487 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1490 * config/sh/sh.c (mova_p): Fix test for mova_const.
1492 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1494 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1495 cpp_get_options rather than dereferencing pfile and using
1497 * scan-decls.c (scan_decls): Use return value of
1498 cpp_pop_buffer rather than CPP_BUFFER.
1500 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1502 * cppinit.c (cpp_handle_option): help_only is now part of the
1503 cpp_options structure.
1504 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1505 cpp_set_callbacks): New functions.
1506 * cpplib.h (cpp_callbacks): Break out as a named structure.
1507 (cpp_options): Move help_only here from cpp_reader.
1508 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1509 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1510 cpp_set_callbacks): New prototypes.
1511 * cppmain.c (main): Update for help_only.
1513 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1515 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1516 Also build and remove and install and uninstall c-tree.info and
1518 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1519 ($(srcdir)/cppinternals.info): New target.
1520 * c-tree.texi: Change file name used when makeinfo used without -o
1521 from ir.info to c-tree.info. Add info directory entry.
1522 * cppinternals.texi: Add info directory entry.
1523 * .cvsignore: Update.
1525 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1527 * c-typeck.c (store_init_value): Don't require constant initializer
1528 elements with -pedantic -std=c99.
1529 (digest_init): Change error about non-constant initializer elements
1531 (constructor_range_end): Remove.
1532 (constructor_incremental, designator_depth,
1533 designator_errorneous): New variables.
1534 (struct constructor_stack): Remove range_end, add incremental.
1535 (struct constructor_range_stack, constructor_range_stack): New.
1536 (struct initializer_stack): Add constructor_range_stack.
1537 (finish_init): Set it.
1538 (start_init): Likewise. require_constant_elements for non-static
1539 trees only if not flag_isoc99.
1540 (really_start_incremental_init): Remove constructor_range_end, add
1541 constructor_incremental.
1542 (pop_init_level): Likewise.
1543 (push_init_level): Likewise. If implicit and the subobject had some
1544 value set already, preinitialize the level with it.
1545 Warn about missing braces only if not pushing due to designators.
1546 (set_designator, push_range_stack): New functions.
1547 (set_init_label): Use them.
1548 (set_init_index): Likewise. Remove constructor_range_end.
1549 Error if designator index is outside of array bounds.
1550 (add_pending_init): Compare values of purpose index trees, not the
1551 trees themselves. Allow overwriting of already initialized element.
1552 Issue a warning if it had side-effects.
1553 (set_nonincremental_init, set_nonincremental_init_from_string): New
1555 (pending_init_member): Rename to...
1556 (find_init_member): ...this function. Call set_nonincremental_init
1557 if necessary. Compare values of purpose index trees, not the trees
1558 themselves. Return the actual value, not just non-zero if something
1560 (output_init_element): Remove checks for duplicates.
1561 If field has zero size, only check the initializer for correctness.
1562 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1563 if constructor_incremental is zero. Change error about initializers
1564 not computable at load time into pedwarn.
1565 (output_pending_init_elements): Compare bit positions, not
1566 FIELD_DECLs to take into account zero-sized fields.
1567 (process_init_element): Use constructor_range_stack to fill all
1568 ranges in the designator lists from current level up.
1569 * extend.texi: Update documentation for labeled elements.
1571 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1573 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1574 to function usage for arguments passed by reference. Optimize
1575 callee-copied arguments.
1576 * regmove.c (replace_in_call_usage): New function.
1577 (fixup_match_1): Call it.
1578 * cse.c (cse_insn): Canonicalize registers in function usage.
1579 * reload1.c (replace_pseudos_in_call_usage): New function.
1582 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1585 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1587 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1590 2001-01-12 DJ Delorie <dj@redhat.com>
1592 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1593 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1596 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1598 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1599 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1600 -std options alongside references to -ansi. Update some
1601 documentation for C99.
1602 * cpp.1: Regenerate.
1604 2001-01-12 Andreas Jaeger <aj@suse.de>
1606 * haifa-sched.c (restore_line_notes): Remove argument block B
1608 * sched-ebb.c (schedule_ebb): Change caller.
1609 * sched-rgn.c (schedule_region): Likewise.
1610 * sched-int.h (restore_line_notes): Adjust prototype.
1612 * loop.h: Remove wrong declaration of doloop_condition_get.
1614 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1616 * extend.texi: Move C++-extension-related node from the C section
1617 into the C++ section.
1619 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1621 * extend.texi: Refer to an array of pointers to functions instead
1622 of one of functions.
1624 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1625 Jan Hubicka <jh@suse.cz>
1627 * combine.c (reversed_comparison): Fix typo in last patch.
1629 (combine_reversed_comparison_code): Make static to follow
1630 prototype declaration.
1632 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1634 * install.texi: Remove misplaced duplicate entry.
1636 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1638 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1640 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1642 * final.c: (leaf_function_p): Fix typo.
1644 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1646 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1647 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1649 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1650 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1651 mmap_anon, and valloc is available.
1652 * ggc-page.c: Restructure ifdef logic to match new autoconf
1653 spec. Don't throw away the test page in init_ggc.
1655 * configure, config.in: Regenerate.
1657 2001-01-12 Michael Hayes <mhayes@redhat.com>
1659 * loop.h (total_biv_increment): Constify iv_class pointer.
1660 (struct induction): Replace `mem_mode' with `mem' rtx.
1661 * unroll.c (total_biv_increment): Constify iv_class pointer.
1662 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1663 (find_mem_givs, combine_givs_p): Likewise.
1664 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1666 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1668 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1670 (__gthread_getspecific): Ditto.
1672 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1674 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1675 put_condition_code): Convert fp comparison codes to integer
1677 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1680 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1681 * i386-protos.h (no_comparison_operator): Kill.
1683 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1685 * combine.c (REVERSIBLE_CC_MODE): Remove.
1686 (reversible_comparison_p): Remove.
1687 (combine_reversed_comparison_code): New.
1688 (reversed_comparison): New.
1689 (combine_simplify_rtx): Use
1690 combine_reversed_comparison_code/reversed_comparison instead
1691 of reversible_comparison_p.
1692 (simplify_if_then_else): Likewise.
1693 (simplify_set): Likewise.
1694 (simplify_logical): Likewise.
1695 (if_then_else_cond): Likewise.
1696 (known_cond): Likewise.
1697 (simplify_comparison): Likewise.
1699 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1701 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1702 sizeof (int) is larger than sizeof(__word__).
1704 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1706 * cppinit.c (do_includes): Fix typo.
1708 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1710 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1711 in S_REGS does not occur because not all sources are possible
1712 when a S_REGS is a destination (sometimes needs a clobber).
1713 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1714 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1715 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1716 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1717 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1718 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1719 (lshrdi_const1, lshrsi3_const16): Likewise.
1720 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1721 (*movhi_68hc12, *movqi_68hc12): Likewise.
1722 (movstrictqi): Make sure reloading in D_REGS as a destination
1725 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1727 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1729 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1731 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1732 -D, -U and -A, and don't initialize the builtins.
1733 (do_includes): Error if -include or -imacros with -fpreprocessed.
1734 * cppmain.c (cb_define, cb_undef): Unconditionally process
1736 * tradcpp.c (main): Fix typo.
1738 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1740 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1741 (read_name_map): Use IS_ABSOLUTE_PATH.
1742 * tradcpp.c (get_filename): Likewise.
1744 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1746 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1747 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1748 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1749 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1750 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1751 (cmphi_z_used): Don't use '@' for the output.
1752 (tstqi_z_used): Likewise.
1753 (cmpqi_z_used): Likewise.
1754 (one_cmplsi2): Likewise.
1756 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1758 * config/sh/sh.c (barrier_align): Recognize branch around far
1759 branch and redundant insn.
1761 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1763 * invoke.texi: Restore documentation of the drivers' switches -MD
1766 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1768 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1770 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1771 check-objc//%): Support parallel testing of multilibs.
1772 (TESTSUITEDIR): Set to testsuite by default, but override for
1774 (check-gcc, check-g++, check-g77, check-objc): Enter
1777 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1779 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1780 * sched-deps.c (deps_may_trap_p): Likewise.
1781 * basic-block.h: Remove a comment.
1782 * flow.c (PROP_POSTRELOAD): Remove.
1783 (update_life_info): Don't add it to prop_flags.
1784 (mark_set_1): Lose the code that was enabled by it.
1786 2001-01-11 Michael Hayes <mhayes@redhat.com>
1788 * flow.c (flow_call_edges_add): New.
1789 * basic_block.h (flow_call_edges_add): New.
1791 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1793 * reload1.c (move2add_note_store): Update reg_set_luid even if
1794 base reg remains the same.
1796 2001-01-10 Nick Clifton <nickc@redhat.com>
1798 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1799 machine_function structure to zero.
1800 Add prototypes for machine_status functions.
1802 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1804 * c-common.h (CTI_VOID_LIST): Remove.
1805 (void_list_node): Likewise.
1806 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1807 (void_list_node): New macro.
1808 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1809 * config/i386/i386.c (ix86_init_builtins): Likewise.
1810 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1812 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1814 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1815 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1817 * tradcpp.c: Include mkdeps.h.
1818 (deps, print_deps_phony_targets, deps_append, output_deps,
1819 init_dependency_output, output_deps): New.
1820 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1821 deps_output): Delete.
1822 (print_deps_missing_files): Rename deps_missing_files.
1823 (inhibit_output): Make global.
1824 (main): Delete inhibit_output, deps_stream, deps_target.
1825 Use mkdeps functionality in the same way as cpplib. Remove
1826 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1827 -M and -MM. Remove old handling of deps via deps_out, and
1828 old reading of environment variables.
1829 (get_filename): Update to use deps_add_dep.
1831 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1833 * output.h (make_function_rtl): Remove prototype.
1834 (make_decl_rtl): Likewise.
1835 * varasm.c (make_function_rtl): Remove.
1836 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1837 than from a third parameter.
1838 * tree.h (make_decl_rtl): Remove last parameter.
1839 * c-decl.c (builtin_function): Remove last argument in call to
1840 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1841 (start_function): Likewise.
1842 * except.c (call_get_eh_context): Likewise.
1843 * expr.c (emit_block_move): Likewise.
1844 (clear_storage): Likewise.
1845 * profile.c (output_func_start_profiler): Likewise.
1846 * toplev.c (rest_of_decl_compilation): Likewise.
1847 * objc/objc-act.c (create_builtin_decl): Likewise.
1848 (synth_module_prologue): Likewise.
1849 (generate_static_reference): Likewise.
1850 (build_selector_reference_decl): Likewise.
1851 (build_class_reference_decl): Likewise.
1852 (build_objc_string_decl): Likewise.
1853 (build_protocol_reference): Likewise.
1855 2001-01-10 Richard Henderson <rth@redhat.com>
1857 * hwint.h: Revert yesterday's change.
1859 2001-01-10 Nick Clifton <nickc@redhat.com>
1861 * function.h (save_machine_status): Delete.
1862 (restore_machine_status): Delete.
1863 Amend comment describing {init|mark|free}_machine_status.
1865 * function.c (save_machine_status): Delete.
1866 (restore_machine_status): Delete.
1867 Amend comment describing {init|mark|free}_machine_status.
1868 (push_function_context_to): Remove invocation of
1869 save_machine_status.
1870 (pop_function_context_from): Remove invocation of
1871 restore_machine_status.
1873 * emit-rtl.c (init_emit_once): Amend comment describing
1874 {init|mark|free}_machine_status.
1876 * tm.texi (Per-Function Data): New node. Describe the
1877 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1880 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1882 * cppinit.c (OPT_g): Remove.
1883 (cpp_handle_option): Update for removed -g3.
1884 (print_help): Update.
1885 * cpplib.h (struct cpp_options): Remove debug_output.
1886 * cppmain.c (setup_callbacks, cb_define): Update.
1887 * gcc.c (cpp_options): Translate -g3 to -dD.
1889 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1891 * config/i960/i960.md: Change modifier to + on the zero_extract
1892 pattern after the (rotate -2 reg) canonicalization pattern.
1894 2001-01-10 Richard Henderson <rth@redhat.com>
1896 * config/alpha/alpha.c (alpha_free_machine_status): New.
1897 (override_options): Install it.
1898 (alpha_mark_machine_status): Verify machine non-null.
1899 * config/i386/i386.c (ix86_free_machine_status): New.
1900 (override_options): Install it.
1901 (ix86_init_machine_status): Use xcalloc.
1902 (ix86_mark_machine_status): Verify machine non-null.
1903 * config/ia64/ia64.c (ia64_free_machine_status): New.
1904 (ia64_override_options): Install it.
1905 (ia64_mark_machine_status): Verify machine non-null.
1907 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1909 * function.c (instantiate_virtual_regs): Instantiate virtual
1910 registers found in CALL_INSN_FUNCTION_USAGE.
1912 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1914 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1915 equivalent to -ansi in disabling -Di386.
1917 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1919 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1921 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1923 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1925 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1927 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1929 * invoke.texi: Document that -fcond-mismatch isn't supported for
1932 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1934 * gcc.texi: Define macro gcctabopt.
1935 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1936 @command, @env and @option in some places where appropriate. Use
1937 @gcctabopt where appropriate. Put URLs and email addresses inside
1940 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1942 * gcc.c (cpp_options): Set MD file name from output
1943 filename, if specified.
1944 (suffix_subst): New static variable.
1945 (do_spec): Clear it.
1946 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1948 (give_switch): Handle suffix_subst.
1950 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1952 * invoke.texi: Fix another typo.
1954 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1956 * invoke.texi: Fix typo.
1958 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1960 * c-lang.c (lang_hooks): Update.
1961 (lang_decode_option): Remove.
1962 (lang_init_options): Rename c_init_options.
1963 * toplev.c (main): Use lang_hooks for lang_init_options
1964 and lang_decode_option.
1965 * toplev.h (lang_hooks): Add 2 new hooks.
1966 * tree.h: Remove lang_init_options and lang_decode_option.
1967 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1968 * cp/decl2.c: Similarly.
1969 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1970 (lang_hooks): Update.
1971 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1973 (lang_init_options): Rename ffe_init_options.
1974 (lang_hooks): Update.
1975 (lang_decode_option): Remove.
1976 * java/lang.c (lang_init_options): Rename java_init_options.
1977 (lang_decode_option): Rename java_decode_option.
1978 (lang_hooks): Update.
1979 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1980 (lang_decode_option): Rename objc_decode_option.
1981 (lang_hooks): Update.
1983 2001-01-09 Nick Clifton <nickc@redhat.com>
1985 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1986 (d30v_return_addr_rtx): Delete.
1987 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1988 cfun->machine structure.
1989 (struct machine_function): Move to d30v.h
1990 (d30v_save_machine_status): Delete.
1991 (d30v_restore_machine_status): Delete.
1992 (d30v_init_machine_status): New Function.
1993 (d30v_mark_machine_status): New Function.
1994 (d30v_free_machine_status): New Function.
1995 (d30v_init_expanders): Use new functions.
1996 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1997 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1998 d30v_return_addr_rtx.
2000 * config/d30v/d30v.h (struct_machine): Move here.
2001 Add eh_epilogue_sp_ofs field.
2003 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2004 field in cfun->machine structure.
2006 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2008 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2009 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2010 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2012 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2014 * objc/lang-options.h: Remove bogus reference to
2017 2001-01-09 Kazu Hirata <kazu@hxi.com>
2019 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2022 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2024 * reload.c (find_reloads_address): Check for eliminable registers
2025 when substituting a constant expression for a pseudo.
2027 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2029 * c-common.c (enum format_type): Add format_type_error.
2030 (decode_format_type): New function.
2031 (decl_attributes): Use it.
2032 (format_kind_info): Adjust comment.
2034 2001-01-09 David O'Brien <obrien@BSDi.com>
2036 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2037 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2039 * config/i386/gnu.h: Don't include required platform specific .h files,
2040 tm.h will do it instead.
2041 * config/i386/i386elf.h: Likewise.
2042 * config/i386/linux.h: Likewise.
2043 * config/i386/moss.h: Likewise.
2044 * config/mips/gnu.h: Likewise.
2046 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2048 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2049 (rs6000-ibm-aix3.[01]*): Likewise.
2050 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2051 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2052 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2053 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2054 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2055 (powerpc-*-eabiaix*): Likewise.
2056 (powerpc-*-eabisim*): Likewise.
2057 (powerpc-*-elf*): Likewise.
2058 (powerpc-*-eabi*): Likewise.
2059 (powerpc-*-rtems*): Likewise.
2060 (powerpc-*-linux*libc1): Likewise.
2061 (powerpc-*-linux*): Likewise.
2062 (powerpc-wrs-vxworks*): Likewise.
2063 (powerpcle-wrs-vxworks*): Likewise.
2064 (powerpcle-*-sysv*): Likewise.
2065 (powerpcle-*-elf*): Likewise.
2066 (powerpcle-*-eabisim*): Likewise.
2067 (powerpcle-*-eabi*): Likewise.
2068 (powerpcle-*-solaris2*): Likewise.
2069 * config/rs6000/aix31.h: Delete includes.
2070 * config/rs6000/aix3newas.h: Likewise.
2071 * config/rs6000/aix41.h: Likewise.
2072 * config/rs6000/aix43.h: Likewise.
2073 * config/rs6000/beos.h: Likewise.
2074 * config/rs6000/rtems.h: Likewise.
2075 * config/rs6000/sysv4.h: Likewise.
2077 2001-01-09 Kazu Hirata <kazu@hxi.com>
2079 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2080 Change an argument mode of machine_mode to shift_mode of
2081 shift_mode. Remove an extra error check.
2082 (emit_a_shift): Adopt to the new calling prototype of
2084 (function_prologue): Fix code for a monitor
2085 function. Support H8/S.
2086 (function_epilogue): Do not output pop for a monitor function.
2088 2001-01-09 Nick Clifton <nickc@redhat.com>
2090 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2091 (setup_incoming_varargs): Use sysv_varargs_p field of the
2092 cfun->machine structure.
2093 (struct machine_function): Move to rs6000.h
2094 (rs6000_save_machine_status): Delete.
2095 (rs6000_restore_machine_status): Delete.
2096 (rs6000_init_machine_status): New Function.
2097 (rs6000_free_machine_status): New Function.
2098 (rs6000_init_expanders): Use new functions.
2100 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2102 (struct machine_function): Move here.
2104 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2105 sysv_varargs_p field of the cfun->machine structure.
2107 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
2109 (rs6000_restore_machine_status): Remove prototype.
2111 2001-01-09 Richard Henderson <rth@redhat.com>
2113 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
2114 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
2115 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
2116 (sched_analyze_2, sched_analyze_insn): Likewise.
2117 (sched_analyze, init_deps): Likewise.
2118 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
2119 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
2120 (compute_block_backward_dependences): Update propagate_deps call.
2122 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
2124 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
2126 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2128 * cppinit.c (OPT_MD, OPT_MMD): Restore.
2129 (cpp_handle_option): Handle them.
2130 (cpp_post_options): Ensure one of -M or -MM is specified with
2131 any other -M? option.
2132 (init_dependency_output): Suppress output with -MG.
2134 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2137 * invoke.texi: Update.
2139 2001-01-09 Bernd Schmidt <bernds@redhat.com>
2141 * sh.md (reload_outsf): Generate recognizable patterns for
2144 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2146 * c-lang.c (lang_hooks): Update.
2147 (lang_init): Rename c_init.
2148 (lang_finish): Remove.
2149 * toplev.c (compile_file): Use lang_hooks for lang_init ()
2151 * toplev.h (lang_hooks): Add init () and finish ().
2152 * tree.h (lang_init, lang_finish): Remove.
2153 * cp/tree.h (lang_init, lang_finish): Remove.
2154 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
2155 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
2157 (lang_init, lang_finish): Remove.
2158 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
2159 (lang_hooks): Update.
2160 * java/lang.c (lang_init): Rename java_init.
2161 (lang_finish): Remove.
2162 (lang_hooks): Update.
2163 * objc/objc-act.c (lang_init): Rename objc_init.
2164 (lang_finish): Remove.
2165 (lang_hoooks): Update.
2167 20001-01-09 Graham Stott <grahams@redhat.com>
2169 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
2170 after `ptr` is initialised.
2172 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2174 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
2175 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
2176 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
2177 stack adjusts, instead of r3.
2179 2001-01-09 Michael Hayes <mhayes@redhat.com>
2181 * flow.c (flow_loop_scan): Break out of ...
2182 (flow_loops_find) ... here.
2183 * basic-block.h (flow_loop_scan): New.
2184 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
2185 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
2187 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2189 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
2191 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
2192 realloc()ing macro_buffer.
2194 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2195 if it's wider than long and the target's long is wider than the
2198 2001-01-09 Mark Mitchell <mark@codesourcery.com>
2200 Remove support for using UWIN as a host machine.
2201 * configure.in: Issue an error message.
2202 * configure: Regenerated.
2203 * config.gcc: Remove xm_* UWIN configury.
2204 * config/i386/xm-uwin.h: Remove.
2206 2001-01-08 Nick Clifton <nickc@redhat.com>
2208 * config/v850/v850.c (ra_rtx): Delete.
2209 (v850_save_machine_status): Delete.
2210 (v850_restore_machine_status): Delete.
2211 (v850_init_machine_status): New function.
2212 (v850_mark_machine_status): New function.
2213 (v850_free_machine_status): New function.
2214 (v850_return_addr): Use ra_rtx field in machine structure.
2215 (v850_init_expanders): Use new functions.
2217 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
2218 * config/v850/v850.c: Change arguments to v850_output+* functions
2219 to take a const char *, to avoid compile time warning.
2220 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
2221 (USER_LABEL_PREFIX): Redefine.
2223 2000-01-08 Jim Wilson <wilson@redhat.com>
2225 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
2226 1 to unsigned HOST_WIDE_INT before left shift.
2228 2001-01-08 Nick Clifton <nickc@redhat.com>
2230 * config/arm/arm.c (arm_mark_machine_status): Check to see if
2231 the machine structure has been allocated.
2232 (arm_free_machine_status): New function: Free the machine
2233 specific function structure.
2235 2001-01-08 Richard Henderson <rth@redhat.com>
2237 * jump.c (simplejump_p): Revert last change.
2239 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
2241 * cppinit.c (init): Rename init_library.
2242 (cpp_create_reader): Update.
2243 * gcc.c (cpp_options): If -o given, use it as the target of
2246 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2248 * arm.c (arm_arch5e): New variable.
2249 (all_cores): XScale is a 5TE device.
2250 (arm_override_options): Set arm_arch5e.
2251 (arm_init_builtins): __builtin_prefetch is in arch5e.
2252 * arm.h (arm_arch5e): Declare it.
2254 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
2256 * arm.md (define_constants): Add defines for UNSPEC and
2257 UNSPEC_VOLATILE insns. Update all users.
2258 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
2259 * arm.c (multi_register_push, note_invalid_constants)
2260 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
2261 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
2262 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2264 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
2266 * jump.c (jump_optimize_1): Use reversed_comparison_code
2267 instead of can_reverse_comparison_p.
2268 (jump_back_p): Likewise.
2269 (invert_exp_1): Likewise.
2270 (thread_jumps): Likewise.
2271 * simplify-rtx.c (simplify_unary_operation): Likewise.
2272 (simplify_ternary_operation): Likewise.
2273 * cse.c (find_comparison_args): Convert to use
2274 can_reverse_comparison_p.
2275 (record_jump_equiv): Likewise.
2277 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2279 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2280 (EPILOGUE_USES): Define.
2281 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2282 automatically stack the LR if it isn't live.
2284 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2286 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2289 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2291 * ggc-page.c (max_alignment): New structure.
2292 (MAX_ALIGNMENT): New macro.
2293 (init_ggc): Use it to round up the sizes in the
2294 extra_order_size_table.
2296 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2298 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2301 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2303 * builtins.def (BUILT_IN_FPRINTF): New entry.
2305 * c-common.c (c_expand_builtin_fprintf): New function.
2306 (init_function_format_info): Handle __builtin_fprintf.
2307 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2308 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2310 * c-decl.c (duplicate_decls): Adjust comment.
2312 * extend.texi (fprintf): Document new builtin.
2314 2001-01-07 Richard Henderson <rth@redhat.com>
2316 * jump.c (simplejump_p): Recognize any single_set jump
2319 2001-01-07 Richard Henderson <rth@redhat.com>
2321 * configure.in (slibdir): Accept an --with-slibdir option.
2322 Use "test" not "[" in configure. Default to $(libdir).
2324 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2326 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2327 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2328 (SHLIB_LINK): Create links for the soname.
2329 * config/mips/t-iris6: Likewise.
2330 * config/sparc/t-slibgcc: Likewise.
2331 * config/sparc/t-slibgcc-sld: Likewise.
2333 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2335 * config/i386/i386.c (constant_call_address_operand): Accept
2336 (const (plus (symbol_ref) (const_int))).
2337 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2338 constant_call_address_operand.
2340 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2342 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2343 and LONG_LONG_TYPE_SIZE > 32.
2345 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2347 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2348 the previous change.
2350 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2352 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2354 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2355 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2356 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2359 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2361 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2363 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2365 * c-lang.c (c_post_options): Call cpp_post_options.
2366 * objc/objc-act.c (objc_post_options): Similarly.
2367 * cppmain.c (main): Similarly.
2368 * fix-header.c (read_scan_file): Similarly.
2369 * cppinit.c (cpp_start_read): Move option consistency checks
2370 to cpp_post_options. Don't call init_dependency_output.
2371 If needed, add default target and main file dependency.
2372 (OPT_MD, OPT_MMD): Remove.
2374 (cpp_handle_option): Update for OPT_* changes.
2375 (cpp_post_options): New.
2376 (init_dependency_output): Command line -MF overrides environment
2377 variables. Don't set default target etc. Suppress output
2378 if dependencies are going to stdout.
2379 (print_help): Update.
2380 * cpplib.h (cpp_post_options): New.
2381 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2383 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2385 * jump.c (comparison_dominates_p): Support unordered compares.
2387 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2389 * simplify-rtx.c (simplify_relational_operation): Always simplify
2390 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2393 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2395 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2396 (nonzero_bits): Likewise.
2397 (simplify_comparison): Likewise.
2398 (num_sign_bit_copies): Likewise; return more sane value depending
2399 on STORE_FLAG_VALUE.
2400 (known_cond): Do not assume EQ to be always true for equivalent
2403 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2405 * cse.c (fold_rtx): Handle unordered comparisons.
2407 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2409 * rtlanal.c (set_of_1): New static function.
2410 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2411 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2412 reg_set_last_last_regno): Remove.
2413 (set_of): New global function.
2414 (set_of_data): New structure.
2415 (reg_set_p, reg_set_last): Revamp for set_of.
2416 * rtl.h (set_of): New.
2418 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2420 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2421 * extend.texi: Document _Exit builtin.
2423 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2425 * (initialize, initialize_builtins,
2426 initialize_dependency_output, initialize_standard_includes):
2427 Rename s/initialize/init. Update.
2428 (init_dependency_output): Move to after
2429 cpp_handle_options, the correct location temporally at least.
2430 (opt_comp): Move next to init (), its caller. Fix prototype.
2431 (init): Make "initialized" local scope.
2432 (cpp_create_reader): Always call init ().
2433 (cpp_start_read): Update.
2434 (output_deps): New function, broken out of cpp_finish.
2435 (cpp_finish): Break out output_deps.
2437 2001-01-07 Richard Henderson <rth@redhat.com>
2439 * collect2.c (COFF specific stuff): Revert 12-06 patch
2440 to prototype system functions.
2442 2001-01-07 Michael Hayes <mhayes@redhat.com>
2444 * hard-reg-set.h: Add multiple include guard.
2445 * basic-block.h (struct loop): Add `sink' field.
2446 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2447 (emit_iv_add_mult): Delete.
2448 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2449 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2450 (unroll_loop): Remove end_insert_before argument.
2451 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2452 (maybe_eliminate_biv_1): Likewise.
2453 (emit_iv_add_mult): Delete.
2454 (gen_add_mult, loop_regs_update): New.
2455 (loop_insn_emit_after, loop_insn_emit_before): New.
2456 (loop_insn_sink, loop_insn_sink_or_swim): New.
2457 (emit_iv_add_mult): Delete.
2458 (scan_loop): Set loop->sink.
2459 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2460 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2461 (maybe_eliminate_biv_1): Likewise.
2462 (maybe_eliminate_biv_1): Add basic block argument.
2463 * unroll.c (unroll_loop): Remove end_insert_before argument.
2464 (find_splittable_regs): Likewise.
2465 (find_splittable_regs): Use loop_insn_sink and its ilk.
2466 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2468 2001-01-07 Michael Hayes <mhayes@redhat.com>
2470 * loop.h (loop_insn_hoist): New prototype.
2471 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2472 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2473 (check_dbra_loop, load_mems): Likewise.
2474 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2475 (find_splittable_givs): Likewise.
2477 2001-01-07 Michael Hayes <mhayes@redhat.com>
2479 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2481 2001-01-07 Richard Henderson <rth@redhat.com>
2483 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2485 2001-01-07 Richard Henderson <rth@redhat.com>
2487 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2488 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2489 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2490 variant that handles a shared libgcc.
2491 (process_command): Always validate -{static,shared}-libgcc.
2492 (do_spec_1): New 'M' case.
2493 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2495 2001-01-07 Richard Henderson <rth@redhat.com>
2497 * Makefile.in (slibdir): New variable.
2498 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2499 (installdirs): Create slibdir.
2500 (install-libgcc, install-multilib): Defer to libgcc.mk.
2501 * configure.in (slibdir): Substitute.
2502 * mklibgcc.in (install): New target.
2504 * config/t-linux (SHLIB_LINK): Create links for the soname.
2505 (SHLIB_INSTALL): New.
2506 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2507 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2508 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2509 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2510 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2512 2001-01-07 Richard Henderson <rth@redhat.com>
2514 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2515 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2516 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2518 2001-01-07 Michael Hayes <mhayes@redhat.com>
2520 * loop.c (count_loop_regs_set): Delete.
2521 (load_mems_and_recount_loop_regs_set): Delete.
2522 (loop_regs_scan): Merge common code from count_loop_regs_set,
2523 scan_loop, and load_mems_and_recount_loop_regs_set.
2524 (scan_loop): Call load_mems directly and loop_regs_scan
2525 again if new registers created.
2527 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2529 * toplev.c (main): Call the front-end specific post_options
2530 hook if one is given.
2531 * toplev.h (struct_lang_hooks, lang_hooks): New.
2532 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2533 for the C front end.
2534 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2535 lang_hooks for the C++ front end.
2536 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2537 lang_hooks for the ObjC front end.
2538 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2539 * java/lang.c (lang_hooks): Hooks for the Java front end.
2541 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2543 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2544 for verbose DWARF[2] debugging.
2545 (cb_define, cb_undef): The new callbacks.
2546 * toplev.h (debug_define, debug_undef): Make const correct.
2547 * toplev.c (debug_define, debug_undef): Similarly. Do not
2548 perform the verbosity tests here anymore.
2550 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2552 * reload.c (subst_reloads): Take INSN argument. When
2553 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2554 * reload.h (subst_reloads): Adjust prototype.
2555 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2556 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2557 present in JUMP_INSNs and copy them to JUMP_LABEL.
2558 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2559 JUMP_INSNs and insns with REG_LABELs that are followed by
2560 JUMP_INSNs with the same REG_LABEL.
2561 * sched-rgn.c (is_cfg_nonregular): Likewise.
2562 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2564 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2566 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2568 2001-01-06 Richard Henderson <rth@redhat.com>
2570 * loop.c (scan_loop): Use xcalloc for the regs array.
2571 (load_mems_and_recount_loop_regs_set): Zero the new memory
2572 received from xrealloc.
2574 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2576 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2578 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2580 * integrate.c (copy_rtx_and_substitute): When copying
2581 an ignored return value, strip REG_FUNCTION_VALUE_P.
2583 2001-01-06 Michael Hayes <mhayes@redhat.com>
2585 * loop.c (debug_biv, debug_giv): New.
2586 (loop_biv_dump): Break out from ...
2587 (record_biv): ... here.
2588 (loop_giv_dump): Break out from ...
2589 (record_giv): ... here.
2590 (loop_bivs_check): Use print_simple_rtl.
2591 * unroll.c (loop_iterations): Use print_simple_rtl.
2593 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2595 * pa.md (return, return_internal): Modify patterns to prevent regrename
2596 mucking with the return pointer.
2598 2001-01-05 Richard Henderson <rth@redhat.com>
2600 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2602 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2604 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2605 version supplied by Matteo Frigo.
2607 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2609 * cpp.texi: Update for -MQ.
2610 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2611 (cpp_cleanup): Always free pfile->deps.
2612 (initialize_dependency_output): Don't create pfile->deps.
2613 (cpp_handle_option): Similarly.
2615 * gcc.c (cpp_options): Handle -MQ.
2616 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2617 * mkdeps.c (base_name): Remove.
2618 (deps_init): Don't allocate vector space until it's needed.
2619 (deps_free): Only free vectors if allocated.
2620 (deps_add_target, deps_add_dep): Update for initial allocation.
2621 (deps_add_default_target): Don't strip to the base_name.
2623 2001-01-05 DJ Delorie <dj@redhat.com>
2625 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2626 (INIT_EXPANDERS): Define.
2628 * config/v850/v850.c (struct machine_function): Define.
2629 (v850_save_machine_status): New function.
2630 (v850_restore_machine_status): New function.
2631 (v850_return_addr): New function.
2632 (v850_init_expanders): New function.
2634 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2635 and v850_init_expanders.
2637 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2639 * cpplib.h (struct cpp_reader): Add help_only field.
2640 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2641 (cpp_handle_option): Set pfile->help_only if we see -h,
2642 --help, -target-help, or --version. Print version string but
2643 do not set help_only if we see -v or -version. Make text
2644 printed by -v match that printed by (-)-version.
2646 * cppmain.c (main): Exit after option parsing if
2647 pfile->help_only is true.
2649 * toplev.c (independent_decode_option): Call print_version,
2650 then exit, if we see --version (but not -version).
2651 (print_version): Split lengthy message into two lines.
2653 2001-01-05 Nick Clifton <nickc@redhat.com>
2655 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2656 temporary string for initialisation before calling ggc_alloc_string.
2658 2001-01-06 Michael Hayes <mhayes@redhat.com>
2660 * rtl.h (print_simple_rtl): New.
2661 * print-rtl.c (print_simple_rtl): New.
2663 (print_rtx): Disable printing of flags and modes, etc.,
2664 if `flag_simple` nonzero.
2666 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2668 * function.c (fixup_var_refs): Use push_to_full_sequence where
2671 2001-01-05 Michael Meissner <meissner@redhat.com>
2673 * flags.h (flag_reorder_blocks): Add declaration.
2674 (flag_rename_block): Ditto.
2676 2001-01-05 DJ Delorie <dj@redhat.com>
2678 * function.c (reorder_blocks): Make sure the flags are all reset
2679 before using them to mark blocks, else a second invocation will
2680 corrupt the block chain.
2681 (reorder_blocks_0): New, resets the flags.
2683 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2685 * cse.c (find_comparison_args): Stop if the argument is known to
2688 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2690 * config/sh/sh.md (movdf): When splitting load into pair of
2691 registers, don't clobber the register used in the address too
2694 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2696 * varasm.c (mark_constant_pool): Improve initial comments.
2697 (mark_constants): Move marking of constants to mark_constant.
2698 (mark_constant): New function to recursively mark all constants
2699 referred to by a constant.
2701 2001-01-05 Catherine Moore <clm@redhat.com>
2703 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2705 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2707 * cp/lang-options.h: Bring comment in line with reality.
2708 * f/lang-options.h: Likewise.
2709 * java/lang-options.h: Likewise.
2710 * objc/lang-options.h: Likewise.
2711 * ch/lang-options.h: Likewise.
2712 * f/g77.texi: And update the manual.
2714 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2715 Denis Chertykov <denisc@overta.ru>
2717 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2718 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2719 * config/avr/avr.md (all peepholes that request a scratch register):
2720 Call it, FAIL the peephole if not safe (in interrupt functions).
2722 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2724 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2726 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2728 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2730 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2731 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2732 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2733 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2734 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2736 * extend.texi: Document these builtins.
2738 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2740 * c-common.c (lang_get_alias_set): Say we know nothing of
2741 VECTOR_TYPE aliasing.
2743 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2745 2001-01-05 Bruce Korb <bkorb@gnu.org>
2747 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2748 their x* equivalent versions for atexit-less systems
2749 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2750 systems (or any other system any more).
2752 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2754 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2755 output operands. Use arm_hard_register_operand for operand 4.
2756 (stmsi_postinc): Similarly.
2757 (ldmsi): Use arm_hard_register_operand for opernand 2.
2759 * arm.c (arm_hard_register_operand): New function.
2760 * arm-protos.h (arm_hard_register_operand): Prototype it.
2762 * arm.h (HARD_REGNO_RENAME_OK): Define.
2764 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2766 * simplify-rtx.c (cfc_args): add "unordered" field.
2767 (check_fold_consts): Set unordered field.
2768 (simplify_relational_operation): Simplify the unordered
2771 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2774 * emit-rtl.c (try_split): Fix code to mark labels.
2775 * jump.c (mark_jump_label): Make global.
2776 * rtl.h (mark_jump_label): Declare.
2778 * predict.c (estimate_probability): Handle unordred comparisons.
2780 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2782 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2783 * cppinit.c (initialize_dependency_output): Update.
2784 (cpp_finish): Output dummy targets for -MP.
2786 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2787 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2788 * gcc.c (cpp_options): Update to handle -MP.
2789 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2790 to quote only the default target.
2791 (deps_phony_targets): Insert a preceding newline. Rename from
2792 deps_dummy_targets for consistency.
2795 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2797 * calls.c (emit_library_call_value_1): Support
2798 INIT_CUMULATIVE_LIBCALL_ARGS.
2799 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2801 2001-01-04 Richard Henderson <rth@redhat.com>
2803 * c-decl.c (finish_struct): Detect flexible array members
2804 used in an inappropriate context.
2805 * c-typeck.c (really_start_incremental_init): Special case
2806 constructor_max_index for zero length arrays.
2807 (pop_init_level): Allow initialization of flexible array
2808 members. Deprecate initialization of zero length arrays.
2809 Don't issue missing initializer warning for flexible array
2810 members or zero length arrays.
2811 (process_init_element): Don't dereference null DECL_SIZE.
2812 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2813 Don't abort for empty constructors. Use size_binop
2814 (output_constructor): Add commentary regarding zero length
2815 array futures. Abort if we try to initialize an array of
2816 unspecified length with a non-empty constructor in the middle
2819 * extend.texi (Zero Length): Update and clarify documentation
2820 on static initialization.
2822 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2824 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2825 with more than 32767 words of local storage.
2827 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2829 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2830 for 'abs', 'labs', and 'fabs'.
2831 (c4x_expand_builtin): Likewise.
2832 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2834 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2836 * config/sh/sh.md (prget, prset): New insn types.
2837 (return delay slot): Dont' allow prset.
2838 (call, sfunc delay slot): Don't allow prget.
2839 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2840 for prset and prget.
2842 2001-01-05 Michael Hayes <mhayes@redhat.com>
2844 * loop.h (struct loop_reg): New.
2845 (struct loop_regs): Change to use array of `struct loop_reg'.
2846 * loop.c: Replace assortment of varrays with single regs array.
2847 (count_one_set): Delete may_not_move array argument
2848 and use regs array instead. All caller's changed.
2849 (count_loop_regs_set): Delete may_not_move and single_usage
2850 arguments and use regs array instead. All caller's changed.
2851 (find_single_use_in_loop): Replace usage array argument with pointer
2852 to regs structure. All caller's changed.
2853 (loop_optimize): Delete `moved_once' array.
2855 2001-01-05 Michael Hayes <mhayes@redhat.com>
2857 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2858 Use it instead of loop_info->has_call for scanning loop mems.
2859 (check_dbra_loop): Replace loop_info->has_call test with
2860 loop_info->has_nonconst_call.
2862 2000-01-04 Matthew Hiller <hiller@redhat.com>
2864 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2867 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2869 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2870 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2872 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2874 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2875 (flag_short_double, flag_short_wchar): Define.
2876 (c_common_nodes_and_builtins): Create many tree nodes shared
2877 between C and C++ here instead of in cp/decl.c and ...
2878 * c-decl.c (init_decl_processing): ... here.
2879 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2880 (flag_short_double, flag_short_wchar): Don't define.
2881 (record_builtin_type): New function.
2882 (build_void_list_node): New function.
2883 * c-common.h (flag_short_double, flag_short_wchar,
2884 record_builtin_type, build_void_list_node): Declare.
2886 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2888 * integrate.c (expand_inline_function): Don't put a virtual
2889 register into the reg map.
2891 * function.c (fixup_var_refs_1): If force_operand didn't put
2892 the address into the target, move it there.
2894 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2896 Special-case tree_decl/tree_list allocations.
2897 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2898 (OBJECT_SIZE): New macro.
2899 (NUM_EXTRA_ORDER): Likewise.
2900 (extra_order_size_table): New variable.
2901 (NUM_ORDERS): New macro.
2902 (objects_per_page_table): New variable.
2903 (object_size_table): New variable.
2904 (G.pages): Use NUM_ORDERS to bound the array.
2905 (G.page_tails): Likewise.
2906 (DIV_ROUND_UP): Remove.
2907 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2908 (alloc_page): Use OBJECT_SIZE.
2909 (size_lookup): Don't make it const.
2910 (ggc_alloc): Use OBJECT_SIZE.
2911 (ggc_set_mark): Likewise.
2912 (ggc_get_size): Likewise.
2913 (init_ggc): Set up the object_size_table, objects_per_page_table,
2914 and adjust size_lookup.
2915 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2916 (ggc_pop_context): Use NUM_ORDERS.
2917 (clear_marks): Likewise.
2918 (sweep_pages): Likewise.
2919 (poison_pages): Likewise.
2920 (ggc_print_statistics): Use OBJECT_SIZE.
2922 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2924 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2925 Only call array_size_for_constructor if last field and array type
2926 with no upper bound.
2928 2001-01-04 Philip Blundell <philb@gnu.org>
2930 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2931 from bit 31 downwards, if this requires no more insns.
2932 (count_insns_for_constant): New helper function for above.
2934 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2936 * gencodes.c (output_predicate_decls): Remove empty initializer.
2938 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2940 * tree.c (copy_node): Remove documentation about obstacks.
2941 (buidl1): Check that nobody tries to build 2-argument nodes this
2944 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2946 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2949 * gencodes.c (output_predicate_decls): Fill empty initializer
2952 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2954 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2955 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2957 (do_include): Handle missing headers like cpp0.
2958 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2959 paths with first include pathname. Don't strcat to uninitialized
2962 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2964 * regrename.c (regrename_optimize): Don't rename from frame pointer
2965 if frame_pointer_needed.
2966 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2967 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2968 (ia64_reorg): Use it instead of scheduling if ! optimize.
2969 (errata_emit_nops): Properly call asm_noperands.
2970 (ia64_sched_reorder): Finish cycle if we see an asm.
2971 (ia64_variable_issue): Clear scheduling state after asms.
2973 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2975 * cpp.texi: Update for -MT.
2976 * cppinit.c (initialize_dependency_output): Add a default
2977 target if none has been given already.
2978 (no_tgt, OPT_MT): New.
2979 (cpp_handle_option): Handle -MT. Update -M etc.
2980 * cpplib.h (struct cpp_options): Remove deps_target.
2981 * gcc.c (cpp_options): Handle -MT.
2982 * mkdeps.c (struct deps): Move from mkdeps.h.
2983 (deps_calc_target): Rename deps_add_default_target. Add a
2984 default target if none has been specified already.
2985 * mkdeps.h (struct deps): Move to mkdeps.c.
2986 (deps_calc_target): Rename deps_add_default_target.
2988 2000-01-03 Richard Henderson <rth@redhat.com>
2990 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2992 * c-typeck.c (push_init_level): Move checks for flexible array
2993 members and zero length arrays ...
2994 (pop_init_level): ... here. Silently discard empty initializations.
2996 * varasm.c (output_constructor): Update for sizeof change to
2999 * extend.texi (Zero Length): Clarify semantics.
3001 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3003 * configure.in (tm.h): Include isns-codes.h last.
3004 * configure: Rebuilt.
3006 2001-01-03 Richard Henderson <rth@redhat.com>
3008 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3009 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3011 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3013 * tradcpp.c (main): Make sure finclude() is called with a valid
3014 indepth value while handling -include.
3016 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3018 * gencodes.c (output_predicate_decls): New function.
3020 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3021 even if it is not the first time machmode.h is #included.
3022 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3023 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3024 * gcc.texi (Copyright): Added 2001.
3026 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3028 * c-common.c (c_common_lang_init): New function. Warn if format
3029 warning options which only have effects when used with -Wformat
3030 are used without -Wformat.
3031 * c-common.h (c_common_lang_init): Declare.
3032 * c-lang.c (lang_init): Call c_common_lang_init.
3033 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3035 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3037 * configure.in: Check for the mktemp command.
3038 * configure: Regenerate.
3039 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3040 $TEMP. Create temporary files with mktemp, if available at
3041 configure time; otherwise use set -C. Remove temporary files
3044 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3046 * configure.in: Require at least texinfo 4.0. Check for whether
3047 Pod::Man is sufficiently recent to regenerate GCC manpages.
3048 * configure: Regenerate.
3049 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3051 (GENERATED_MANPAGES): Define.
3052 (generated-manpages): New target. Depend on cpp.1 as well as
3054 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3055 configure to generated-manpages or empty) rather than on the
3056 manpages directly. Remove execute permission from installed
3057 gcov.1 as well as cpp.1.
3058 * cpp.1, gcov.1: Regenerate.
3060 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3062 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3063 tree_low_cst. Allow using cmpstrsi in more cases.
3065 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3067 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3070 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3072 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3073 * Makefile.in (HOST_CFLAGS): Mention build-make.
3075 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3077 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3080 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3082 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3085 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3088 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3089 reg_base_value and reg_known_value arrays.
3090 (init_alias_analysis): Add more cases to detect known values.
3091 * sched-deps.c (deps_may_trap_p): New function.
3092 (sched_analyze_2): Use it.
3094 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3096 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3097 don't discard an ASHIFTRT if we're shifting in a wider mode.
3099 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3101 * toplev.c (rest_of_compilation): Don't print basic block information
3102 when CFG isn't up to date.
3104 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3106 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
3107 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
3108 (UNALIGNED_SHORT_ASM_OP): Define.
3109 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
3111 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3113 * fold-const.c (fold_convert): Fix typo.
3115 2001-01-02 Richard Henderson <rth@redhat.com>
3117 * c-common.h (ASM_INPUT_P): New.
3118 * c-parse.in (asm): Set it when needed.
3119 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
3120 existance of an operand.
3122 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
3124 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
3125 (dwarf2out_frame_debug_expr): Likewise.
3126 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
3128 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
3130 * i386.c (ix86_split_to_parts): Return number of part required;
3132 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
3134 (ix86_split_long_move): Use number of part returned
3135 by ix86_split_to_parts
3136 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
3138 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
3139 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
3140 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
3141 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
3142 (ALIGN_MODE_128): Add TFmode.
3143 (IS_STACK_MODE): Likewise.
3144 (HARD_REGNO_NREGS): TFmode needs 3 registers.
3145 (HARD_REGNO_OK): Support TFmodes.
3146 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
3147 * i386.md (scheduler definitions): Use memory operand to determine
3148 fst/fld instructions; use mode attribute to determine real mode of
3150 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
3151 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
3153 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3155 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
3157 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3159 * expr.c (store_constructor_field): Update ALIGN before calling
3162 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3164 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
3167 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3169 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
3172 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3174 * c-decl.c (start_function): Don't warn on third parameter to main.
3176 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3178 * tsystem.h: Define HAVE_DECL_GETOPT.
3180 2001-01-02 Philip Blundell <pb@futuretv.com>
3182 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
3185 2001-01-02 Richard Henderson <rth@redhat.com>
3187 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
3189 2001-01-02 Andreas Jaeger <aj@suse.de>
3191 * c-decl.c (c_decode_option): Remove support of
3194 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
3195 (W_options): Add -Wmissing-noreturn here.
3197 * flow.c: Define lang_missing_noreturn_ok_p.
3198 (check_function_return_warnings): Use it.
3200 * c-common.h: Declare lang_missing_noreturn_ok_p.
3202 * c-lang.c (c_missing_noreturn_ok_p): New function.
3203 (lang_init): Set lang_missing_noreturn_ok_p.
3205 * invoke.texi (Warning Options): Document this.
3207 2000-12-27 Phil Edwards <pme@sources.redhat.com>
3209 * extend.texi (C++ Extensions): New node for C++ attributes;
3210 describe init_priority and com_interface.
3211 * invoke.texi: Remove -finit-priority as it now has zero effect.
3212 * install.texi: Fix xref syntax.
3213 * md.texi: Likewise.
3215 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3217 * config.gcc (sparc64-wrs-vxworks*): New case.
3218 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
3220 * config/sparc/sparc.c (sparc_override_options): Do support different
3221 pointer and architecture size.
3222 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
3223 (POINTERS_EXTEND_UNSIGNED): Define.
3224 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
3225 (FUNCTION_MODE): Define to be Pmode.
3226 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
3228 * function.c (expand_function_end): Properly handle DECL_RESULT
3229 and copy when ptr_mode != Pmode.
3230 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
3232 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3234 * c-common.c (c_common_nodes_and_builtins): Set prototype
3235 parameters for __builtin_fputs, __builtin_fputc and
3236 __builtin_fwrite. Don't declare plain fputc as a builtin.
3238 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3240 * loop.c (add_label_notes): Increment the label usage count when
3241 a note is added to an insn which refers to a CODE_LABEL.
3242 * gcse.c (add_label_notes): Likewise.
3244 2001-01-01 Andreas Jaeger <aj@suse.de>
3246 * loop.c (scan_loop): Use xmalloc to allocate movables.
3248 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
3250 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
3251 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
3252 * reload1.c (REGISTER_MOVE_COST): Likewise.
3253 * regclass.c (REGISTER_MOVE_COST): Likewise.
3254 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
3255 dimension. Adjust all users.
3256 (init_reg_sets_1): Iterate on all modes.
3257 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
3258 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
3259 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
3260 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
3261 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
3262 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
3263 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3264 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3265 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3266 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3267 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3268 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3269 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3270 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3271 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3272 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3273 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3274 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3275 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3276 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3277 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3278 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3279 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3280 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3281 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3282 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3283 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3285 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3287 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3288 arg VARIES_P. Call it with extra arg.
3289 (true_dependence): Likewise.
3290 * rtl.h (rtx_addr_can_trap_p): Declare.
3291 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3293 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3294 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3295 pic offset table register if it's zero. All callers changed.
3296 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3298 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3300 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3301 STRING_POOL_ADDRESS_P.
3303 * config/sparc/sparc.c (input_operand): Properly test for short op.
3305 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3306 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3307 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3308 * config/sparc/elf.h: No longer include sol2.h.
3309 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3310 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3312 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3314 2001-01-01 Michael Hayes <mhayes@redhat.com>
3316 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3317 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3318 (record_initial): Likewise.
3319 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3320 (remap_split_bivs): Likewise.
3322 2001-01-01 Michael Hayes <mhayes@redhat.com>
3324 * loop.c (loop_ivs_free): New function.
3325 (strength_reduce): Break out from...
3327 2001-01-01 Michael Hayes <mhayes@redhat.com>
3329 * loop.h (struct iv): New.
3330 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3331 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3332 'reg_biv_class' fields with 'regs' and 'n_regs'.
3333 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3334 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3335 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3337 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3339 * resource.c (mark_referenced_resources): Abort() before
3340 attempting to mark a pseudo register.
3341 (mark_set_resources): Likewise.
3343 2001-01-01 Michael Hayes <mhayes@redhat.com>
3345 * loop.h (REG_IV_CLASS): New accessor macro.
3346 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3347 * unroll.c (REG_IV_CLASS): Likewise.
3349 See ChangeLog.4 for earlier changes.